GH-900 Exam Dumps - GitHub Foundations

Commits and pull requests (PRs) are fundamental concepts in Git and GitHub workflows, particularly in collaborative software development.

Commits:

Commits are individual changes or updates made to the codebase. Each commit is identified by a unique SHA-1 hash and typically includes a commit message describing the changes.

Commits are made to a specific branch in the repository. The branch could be the main branch, or more commonly, a feature branch created for specific work or a feature.

Pull Requests (PRs):

A pull request is a mechanism for developers to notify team members that a branch is ready to be merged into another branch, usually the main branch.

PRs are used to review code, discuss changes, and make improvements before the branch is merged into the target branch.

Relationship Between Commits and PRs:

Option A is correct because commits are made on a branch, and this branch can have a pull request associated with it. The pull request tracks the branch’s commits and allows for code review before merging into the target branch.

Commits can be added to the branch both before and after the pull request is created. Any new commits pushed to the branch are automatically included in the pull request.

Incorrect Options:

Option B is incorrect because commits can be made both before and after a pull request is created.

Option C is incorrect because it suggests that commits can only be made before a pull request is created, which is not true.

Option D is incorrect because commits are not made on a pull request; they are made on a branch. The pull request links a branch to another branch (e.g., feature branch to the main branch).

Cloning a repository in GitHub refers to creating a copy of the repository on your local machine. This allows you to work on the project offline, make changes, and later push those changes back to the remote repository. It does not involve creating a copy on GitHub.com (which would be forking), retrieving updates (which would be pulling), or importing source code into a new repository (which is done differently).

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GitHub provides several pre-defined repository roles that determine the level of access and permissions a user has within a repository. The roles that are included by default are:

Triage: Allows users to manage issues and pull requests without write access to the code.

Maintain: Provides more extensive access, including managing settings, but without full administrative control.

Write: Grants permission to push changes and manage issues and pull requests.

Roles like "Security" and "Delete" are not standard pre-defined roles, and "View" is generally referred to as "Read" in GitHub's permission structure.

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GitHub Mobile provides a streamlined experience for managing your GitHub notifications and participating in discussions, but it does not offer full functionality compared to the desktop or web interface.

Managing Notifications:

Option E is correct because GitHub Mobile allows users to manage notifications, keeping them up to date with their repositories, issues, pull requests, and other activities on GitHub.

Incorrect Options:

Option A is incorrect because GitHub Mobile cannot be used as a self-hosted runner.

Option B is incorrect because managing enterprise and organization settings is not supported in GitHub Mobile.

Option C is incorrect because GitHub Mobile does not offer a chat or voice calling feature.

Option D is incorrect because forking and cloning repositories are not actions available in GitHub Mobile.

Organization owners on GitHub have control over how GitHub Actions can be used within their organization. They can enforce restrictions to ensure security and compliance with organizational policies.

Allow Actions That Use Self-Hosted Runners:

Option A is correct because organization owners can configure the usage of self-hosted runners, allowing greater control over the environment where actions are run.

Allow Specified Actions:

Option C is correct because organization owners can allow only specific actions to run, adding a layer of security by limiting actions to those that have been vetted.

Allow Actions by Marketplace Verified Creators:

Option D is correct because organization owners can choose to allow actions created by GitHub Marketplace verified creators, ensuring that only trusted actions are used.

Incorrect Options:

Option B is incorrect because GitHub Actions are not designed to be run directly from a Codespace; Codespaces are for development environments.

Option E is a valid choice, but since the prompt asks for only three answers, it is not included in this response.